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ECH3

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ID = 274
       
Country:
Europe
Brand: Common type Europe tube/semicond.
Developer: Philips; Eindhoven (tubes international!); Miniwatt 
Tube type:  Triode-Hexode   Frequency converter   Controlling (mu) 
Identical to ECH3 = MECH3
Similar Tubes
Heater different:
  ECH3S
Different connections:
  E1R
Other base:
  ECH33 ; ECH3G ; X147
Other base and data slightly different:
  ECH11 ; OM10 ; WE20
Multiple differences or of other kind:
  6E8G ; 6E8MG
First year Feb.1939 Tube leaflet collection E.Erb Philips Book II [178]
First Source (s)
Feb.1939 : Daten und Schaltungen moderner ... Röhren; Philips
Jan.1939 : L'Histoire Singulière du Tube Radio; G. Duperray 2009
Predecessor Tubes ECH2   EK2   ACH1   21TH8   TACH1   ACH1_Tungsram   CCH2   EK3  
Successor Tubes 1940   ECH4   ECH21   ECH42   ECH21_9pin  

Base Europe side contact base P (P8A) (Codex=Sa) Top contact with a cap
Was used by Radio/TV-reception etc.
Filament Vf 6.3 Volts / If 0.2 Ampere / Indirect / Parallel / series AC/DC
Tube prices 13 Tube prices (visible for members only)
Literature Taschenbuch zum Röhren-Codex 1948/49   
  ech3.png
  ECH3: Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse
Karel De Reus †
 
ech3_644.jpg
ECH3: Collection JR
Jacob Roschy

 
84.png
ECH3: Telefunken Werkstattbuch
Wolfgang Bauer

 
ech3_spec.png
ECH3: RVF-Röhrenbuch-M1,1947
Anonymous 15 Collector


Usage in Models 1= 1938?? ; 2= 1938? ; 3= 1938 ; 36= 1939?? ; 32= 1939? ; 291= 1939 ; 59= 1940?? ; 23= 1940? ; 257= 1940 ; 10= 1941?? ; 27= 1941? ; 173= 1941 ; 4= 1942?? ; 15= 1942? ; 84= 1942 ; 8= 1943?? ; 4= 1943? ; 48= 1943 ; 4= 1944?? ; 8= 1944? ; 40= 1944 ; 23= 1945?? ; 15= 1945? ; 59= 1945 ; 6= 1946?? ; 3= 1946? ; 70= 1946 ; 10= 1947?? ; 17= 1947? ; 58= 1947 ; 33= 1948?? ; 16= 1948? ; 60= 1948 ; 15= 1949?? ; 22= 1949? ; 51= 1949 ; 20= 1950?? ; 8= 1950? ; 14= 1950 ; 2= 1951?? ; 4= 1951? ; 11= 1951 ; 2= 1952? ; 3= 1952 ; 1= 1953?? ; 1= 1953 ; 1= 1954 ; 8= 1955?? ; 1= 9999?? ; 1= 9999? ; 5= 9999

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):1669

Collection of a member from D
Collection of a member from D
Collection of a member from FIN

Forum contributions about this tube
ECH3
Threads: 1 | Posts: 1
Hits: 4008     Replies: 0
ECH3 (ECH3)
Konrad Birkner † 12.08.2014
06.Jan.06
  1 Siehe auch
EK2 Ersatz durch ECH3
 
ECH3
End of forum contributions about this tube

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